Towel bar



FIG. 1 is a perspective view taken from the top, front and right side of a towel bar showing our new design;

FIG. 2 is an enlarged right side elevational view thereof, the left side elevational view being the mirror image of the right side elevational view shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a towel bar, as shown and described. 